| DATASENSE 2115191 | J. J. Keller & Associates, Inc. | 9 Electronics35 Advertising39 Transport+2 | Pending | 2021 |
| DATASCAN 2006251 · TMA1263629 · design | DataScan Holdings LLC | 35 Advertising36 Finance42 Science | Registered | 2024 |
| DATAKIND 1642264 · TMA949448 | DATAKIND, INC. | 35 Advertising | Registered | 2016 |
| DATACONSO 1609968 · TMA871387 | an individual | 35 Advertising | Registered | 2014 |
| DATAGAIN 1304115 · TMA744037 | SUPERIOR ESSEX INTERNATIONAL LP. | 9 Electronics | Registered | 2009 |
| DUTISON 2093230 · TMA1185035 | Shenzhen Yihao Network Technology Co. Ltd. | 21 Housewares | Registered | 2023 |
| DataCAM 2063578 · TMA1171071 | an individual | 9 Electronics | Registered | 2023 |
| DIETSENSOR 1773021 · TMA1016183 · design | Dietsensor Inc. | 9 Electronics42 Science44 Medical | Registered | 2019 |
| DATSCAN 1770483 · TMA1042334 | GE Healthcare Limited | 1 Chemicals5 Pharmaceuticals | Registered | 2019 |
| DETCON 1766022 · TMA973786 | Teledyne Detcon, Inc. | 9 Electronics | Registered | 2017 |
| DUTCHNA 1730247 · TMA943462 | Dutchna Tax Consultancy Ltd. | 35 Advertising45 Legal | Registered | 2016 |
| DATACANDY 1701335 · TMA929921 | Paystone Inc. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2016 |
| DOTTICINO 1691833 · TMA1035379 | Owner not shown | 30 Coffee | Registered | 2019 |
| DATACAN 1622094 · TMA892804 | DataCan Services Corp. | 7 Machines9 Electronics37 Construction+1 | Registered | 2014 |
| DATSUN 1583883 · TMA989401 · design | NISSAN JIDOSHA KABUSHIKI KAISHA (also trading as NISSAN MOTOR CO. LTD.) | 37 Construction | Registered | 2018 |
| DATSUN 1583880 · TMA990107 · design | NISSAN JIDOSHA KABUSHIKI KAISHA (also trading as NISSAN MOTOR CO. LTD.) | 12 Vehicles | Registered | 2018 |
| DUETCONNECT 1583360 · TMA903963 | Graco Children's Products Inc. | 28 Toys | Registered | 2015 |
| DATACONSTRUCT 1305502 · TMA698696 · design | DATACONSTRUCT INC. | 9 Electronics35 Advertising40 Treatment+1 | Registered | 2007 |
| DUTCHCAMP 1167944 · TMA614693 | GESTION F. TISSEUR INC. | 25 Clothing | Registered | 2004 |
| DEUTZXCHANGE 1147622 · TMA607848 · design | an individual | 7 Machines9 Electronics | Registered | 2004 |
| DUDSON 1053809 · TMA560367 | Churchill China plc | 21 Housewares | Registered | 2002 |
| DETTSON 1007513 · TMA536926 | INDUSTRIES DETTSON INC. | 9 Electronics11 Lighting | Registered | 2000 |
| DATASMART 0853460 · TMA516926 | INTERNATIONAL BUSINESS MACHINES CORPORATION | 9 Electronics16 Paper41 Education+1 | Registered | 1999 |
| DODSUN 0546941 · TMA325342 · design | Owner not shown | 12 Vehicles | Registered | 1987 |
| DATACOM 0537379 · TMA367781 | CA, Inc. | 9 Electronics | Registered | 1990 |